== sanity test 51f: check many open files limit ========== 17:27:57 (1775770077)
MDT0 numfree=     532525 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 861 (time 1775770092.44 total 10.01 last 86.03)
 - open/keep 1790 (time 1775770102.46 total 20.03 last 92.71)
 - open/keep 2644 (time 1775770112.47 total 30.04 last 85.29)
 - open/keep 3470 (time 1775770122.50 total 40.07 last 82.38)
 - open/keep 4286 (time 1775770132.50 total 50.07 last 81.57)
 - open/keep 5032 (time 1775770142.52 total 60.09 last 74.48)
 - open/keep 5807 (time 1775770152.52 total 70.09 last 77.48)
 - open/keep 6674 (time 1775770162.53 total 80.09 last 86.68)
 - open/keep 7432 (time 1775770172.56 total 90.13 last 75.55)
 - open/keep 8018 (time 1775770182.56 total 100.13 last 58.56)
 - open/keep 8679 (time 1775770192.58 total 110.15 last 65.98)
total: 9413 open/keep in 120.01 seconds: 78.44 ops/second
 - closed 1261 (time 1775770212.44 total 10.00 last -741.75)
 - closed 2610 (time 1775770222.44 total 20.00 last 134.87)
 - closed 4154 (time 1775770232.45 total 30.01 last 154.30)
 - closed 5721 (time 1775770242.45 total 40.01 last 156.66)
 - closed 7189 (time 1775770252.45 total 50.01 last 146.78)
 - closed 8623 (time 1775770262.46 total 60.02 last 143.34)
total: 9413 close in 65.57 seconds: 143.55 close/second
 - unlinked 0 (time 1775770274 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f9413) error: No such file or directory
total: 9413 unlinks in 101 seconds: 93.198021 unlinks/second